81356925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83443}}^1$

素因数の和:83469

約数の個数: 24

約数和(自身を含む): 144858784

約数和(自身を除く): 63501859

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 83443, 250329, 417215, 1084759, 1251645, 2086075, 3254277, 5423795, 6258225, 16271385, 27118975, 81356925]

約数ペア:

[(1, 81356925), (3, 27118975), (5, 16271385), (13, 6258225), (15, 5423795), (25, 3254277), (39, 2086075), (65, 1251645), (75, 1084759), (195, 417215), (325, 250329), (975, 83443)]